Great list of Christmas Activities for 2 year olds and 3 year olds.
What do your kids love doing outside? 15 Fun Summer Activities For Kids - Get Outside and Play
For the Summer: Lists of things to do under five different categories....Oh the Food we will Eat, Oh the Service that can be Done, Oh the Places we will Go, Oh the Crafts we will Make, and Oh the Activities we will Do. (Every Sunday, as a family, plan out the week's activities from the lists.)